* {
    margin: 0px;
    padding: 0px;
}

html,
body {
    height: 100%;
}

#app {
    height: 100%;
    width: 800px;
    background-color: #eee;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

.header {
    height: 60px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #ddd;
    font-size: 150%;
    padding: 10px;
}

.header .title {
    flex: 1;
}

.header .add {}


.list {
    flex: 1;
    height: 0;
    overflow: auto;
    padding: 0 10px;
}

.list .item {
    height: 40px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #ddd;
    cursor: pointer;
    transition: background-color 0.1s ease-in-out;
}

.list .item:hover {
    background-color: #ddd;
}

.list .item .time {
    width: 100px;
}